Surfaces and Interfaces最新文献

英文中文

Integration of laser-induction and electroless copper plating for flexible electronics

IF 5.7 2区材料科学 Q2 CHEMISTRY, PHYSICAL

Surfaces and Interfaces

Pub Date : 2025-02-03 DOI: 10.1016/j.surfin.2025.105953

Qibin Zhuang , Zhiwen Chen , Yong Huang , Wei Xiao , Xin Liu , Qixiang Chen , Han Wang , Qinnan Chen , Gonghan He , Xinye Wu , Rui Zhu , Dezhi Wu

Integration of flexible conductive electrodes and components is a critical technology for advancing smart wearable electronics. However, the intricate fabrication process, mechanical mismatch, and weak interface bonding for electronics integration often hinder its practical application. Here, we report a facile strategy that combing laser-induced graphene and electroless copper plating to integrate high-performance planar and curved flexible circuits for human physiological signals monitoring. The laser-induced copper patterns and porous graphene serve as flexible electrodes and functional components, respectively. As a result, the laser-induced patterned copper exhibits excellent electrical conductivity (0.037 Ω/sq), electrical stability (∼2 % variation over 30 days) and a high interface bonding strength at the 5B level. As a demonstration, the copper conductors and graphene components achieve seamless integration within planar and curved flexible substrates. The integrated prototype device demonstrates superior conformability, ensuring precise signal detection. This method sheds a new light on high-performance wearable devices in physiological signal monitoring.

{"title":"Integration of laser-induction and electroless copper plating for flexible electronics","authors":"Qibin Zhuang , Zhiwen Chen , Yong Huang , Wei Xiao , Xin Liu , Qixiang Chen , Han Wang , Qinnan Chen , Gonghan He , Xinye Wu , Rui Zhu , Dezhi Wu","doi":"10.1016/j.surfin.2025.105953","DOIUrl":"10.1016/j.surfin.2025.105953","url":null,"abstract":"<div><div>Integration of flexible conductive electrodes and components is a critical technology for advancing smart wearable electronics. However, the intricate fabrication process, mechanical mismatch, and weak interface bonding for electronics integration often hinder its practical application. Here, we report a facile strategy that combing laser-induced graphene and electroless copper plating to integrate high-performance planar and curved flexible circuits for human physiological signals monitoring. The laser-induced copper patterns and porous graphene serve as flexible electrodes and functional components, respectively. As a result, the laser-induced patterned copper exhibits excellent electrical conductivity (0.037 Ω/sq), electrical stability (∼2 % variation over 30 days) and a high interface bonding strength at the 5B level. As a demonstration, the copper conductors and graphene components achieve seamless integration within planar and curved flexible substrates. The integrated prototype device demonstrates superior conformability, ensuring precise signal detection. This method sheds a new light on high-performance wearable devices in physiological signal monitoring.</div></div>","PeriodicalId":22081,"journal":{"name":"Surfaces and Interfaces","volume":"59 ","pages":"Article 105953"},"PeriodicalIF":5.7,"publicationDate":"2025-02-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143097664","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

A novel sodium alginate polysulfide gel electrolyte prepared by grinding method for highly efficient and stable quasi-solid-state quantum dot sensitized solar cells

IF 5.7 2区材料科学 Q2 CHEMISTRY, PHYSICAL

Surfaces and Interfaces

Pub Date : 2025-02-02 DOI: 10.1016/j.surfin.2025.105967

Senyang Wang , Yingdi Zhou , Bo Huang , Jingyi Qi , Mengting Hua , Xiaoshi Jin , Ling Li

The practical progression of quantum-dot sensitized solar cells (QDSSCs) due to the poor stability, which directly related to the leakage and volatileness of liquid electrolyte. Herein, the sodium alginate (SA) polysulfide gel electrolyte prepared by grinding method was first applied in the quasi-solid state QDSSCs. It has a pore structure which can elevate the rapid diffusion of ions. And the cross-linked interface with photoanode is smooth and non-adherent. The SA polysulfide gel electrolyte was used in Zn-Cu-In-Se (ZCISe) QDSSCs for standard experiments. The QDSSCs are able to materialize the photoelectric conversion efficiency (PCE) of 8.85% (V_oc is 0.63 V, J_sc is 26.16 mA·cm⁻², FF is 51.80), which is 6% higher than the liquid polysulfide QDSSCs (8.34%). Above all, the stability is 3.2 times higher than that of liquid polysulfide electrolyte. The research fulfilled the goal of both efficiency and stability, also environmentally friendly.

{"title":"A novel sodium alginate polysulfide gel electrolyte prepared by grinding method for highly efficient and stable quasi-solid-state quantum dot sensitized solar cells","authors":"Senyang Wang , Yingdi Zhou , Bo Huang , Jingyi Qi , Mengting Hua , Xiaoshi Jin , Ling Li","doi":"10.1016/j.surfin.2025.105967","DOIUrl":"10.1016/j.surfin.2025.105967","url":null,"abstract":"<div><div>The practical progression of quantum-dot sensitized solar cells (QDSSCs) due to the poor stability, which directly related to the leakage and volatileness of liquid electrolyte. Herein, the sodium alginate (SA) polysulfide gel electrolyte prepared by grinding method was first applied in the quasi-solid state QDSSCs. It has a pore structure which can elevate the rapid diffusion of ions. And the cross-linked interface with photoanode is smooth and non-adherent. The SA polysulfide gel electrolyte was used in Zn-Cu-In-Se (ZCISe) QDSSCs for standard experiments. The QDSSCs are able to materialize the photoelectric conversion efficiency (PCE) of 8.85% (V<sub>oc</sub> is 0.63 V, J<sub>sc</sub> is 26.16 mA·cm<sup>−2</sup>, FF is 51.80), which is 6% higher than the liquid polysulfide QDSSCs (8.34%). Above all, the stability is 3.2 times higher than that of liquid polysulfide electrolyte. The research fulfilled the goal of both efficiency and stability, also environmentally friendly.</div></div>","PeriodicalId":22081,"journal":{"name":"Surfaces and Interfaces","volume":"59 ","pages":"Article 105967"},"PeriodicalIF":5.7,"publicationDate":"2025-02-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143097248","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Integrating nickel foam@carbon nanotubes composite current collector with MnMoO4 for enhanced performance of supercapacitor electrode

IF 5.7 2区材料科学 Q2 CHEMISTRY, PHYSICAL

Surfaces and Interfaces

Pub Date : 2025-02-01 DOI: 10.1016/j.surfin.2025.105786

Wen Yang , Yan Wang , Xuan Yang , Hongyu Hu , Dongmei Zhai , Yanyan Feng

Nickel foam (NF) has been broadly adopted as the current collector for supercapacitors due to its high porosity, unique three-dimensional (3D) network structure and good electrical conductivity. However, its small specific surface area resulted in a low loading of active materials. Thus, it is of great significance to modify NF to obtain a current collector with high specific surface area. Herein, a 3D NF@CNTs composite current collector was fabricated through in-situ growth of carbon nanotubes (CNTs) on NF by chemical vapor deposition (CVD) method, followed by the combination of MnMoO₄ nanoflowers with CNTs via a hydrothermal method, and MnMoO₄/NF@CNTs composite electrode was successfully obtained. The results indicated that the distinct design of 3D NF@CNTs composite current collector could offer an efficient mesoporous network, a high specific surface area and rapid electron and ion transfer channels, and accommodate more active sites for MnMoO₄ nanoflowers. Accordingly, the optimized MnMoO₄–130/NF@CNTs electrode achieved a superior areal capacitance of up to 5300 mF/cm² (1886.1 F/g) at 2 mA/cm², and maintained an outstanding rate capability of 79.7 % at 25 mA/cm². After 2000 charge/discharge cycles, MnMoO₄–130/NF@CNTs possessed a capacitance retention rate of 81.0 %. Besides, a symmetric supercapacitor (SSC) was eventually fabricated based on MnMoO₄–130/NF@CNTs electrodes, and it delivered a favorable energy density of 0.0197 mWh/cm² at a power density of 0.3 mW/cm², along with a superb cycling performance with the capacitance retention rate of 94.7 % after 2000 cycles. The above results demonstrated that the 3D NF@CNTs composite current collector achieved by the CVD process would be a good route to improve the effective specific surface area of NF and the loading of active materials for high-performance supercapacitors.

{"title":"Integrating nickel foam@carbon nanotubes composite current collector with MnMoO4 for enhanced performance of supercapacitor electrode","authors":"Wen Yang , Yan Wang , Xuan Yang , Hongyu Hu , Dongmei Zhai , Yanyan Feng","doi":"10.1016/j.surfin.2025.105786","DOIUrl":"10.1016/j.surfin.2025.105786","url":null,"abstract":"<div><div>Nickel foam (NF) has been broadly adopted as the current collector for supercapacitors due to its high porosity, unique three-dimensional (3D) network structure and good electrical conductivity. However, its small specific surface area resulted in a low loading of active materials. Thus, it is of great significance to modify NF to obtain a current collector with high specific surface area. Herein, a 3D NF@CNTs composite current collector was fabricated through in-situ growth of carbon nanotubes (CNTs) on NF by chemical vapor deposition (CVD) method, followed by the combination of MnMoO<sub>4</sub> nanoflowers with CNTs via a hydrothermal method, and MnMoO<sub>4</sub>/NF@CNTs composite electrode was successfully obtained. The results indicated that the distinct design of 3D NF@CNTs composite current collector could offer an efficient mesoporous network, a high specific surface area and rapid electron and ion transfer channels, and accommodate more active sites for MnMoO<sub>4</sub> nanoflowers. Accordingly, the optimized MnMoO<sub>4</sub>–130/NF@CNTs electrode achieved a superior areal capacitance of up to 5300 mF/cm<sup>2</sup> (1886.1 F/g) at 2 mA/cm<sup>2</sup>, and maintained an outstanding rate capability of 79.7 % at 25 mA/cm<sup>2</sup>. After 2000 charge/discharge cycles, MnMoO<sub>4</sub>–130/NF@CNTs possessed a capacitance retention rate of 81.0 %. Besides, a symmetric supercapacitor (SSC) was eventually fabricated based on MnMoO<sub>4</sub>–130/NF@CNTs electrodes, and it delivered a favorable energy density of 0.0197 mWh/cm<sup>2</sup> at a power density of 0.3 mW/cm<sup>2</sup>, along with a superb cycling performance with the capacitance retention rate of 94.7 % after 2000 cycles. The above results demonstrated that the 3D NF@CNTs composite current collector achieved by the CVD process would be a good route to improve the effective specific surface area of NF and the loading of active materials for high-performance supercapacitors.</div></div>","PeriodicalId":22081,"journal":{"name":"Surfaces and Interfaces","volume":"58 ","pages":"Article 105786"},"PeriodicalIF":5.7,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143101096","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Synthesis and performance study of visible light responsive Mn-Sn3O4/g-C3N4 heterojunction photocatalyst

IF 5.7 2区材料科学 Q2 CHEMISTRY, PHYSICAL

Surfaces and Interfaces

Pub Date : 2025-02-01 DOI: 10.1016/j.surfin.2025.105808

Jing Fan, Liang Guo, Fenhong Song

This study employed the hydrothermal method to dope Mn into Sn₃O₄, which was then combined with g-C₃N₄ through calcination to prepare an II-type Mn-Sn₃O₄-x/CN composite photocatalyst. The impact of Mn-Sn₃O₄ loading on the photocatalytic performance was discussed. The synthesized composite catalysts exhibited remarkable hydrogen production performance under visible light, with Mn-Sn₃O₄-10/CN demonstrating the highest performance. Characterization techniques confirmed the successful preparation of the catalysts, and the light absorption capacity, charge separation and transport efficiency of Mn-Sn₃O₄-10/CN are significantly improved compared to catalysts with other ratios. This study developed a Mn-Sn₃O₄-x/CN composite catalyst with high stability and good hydrogen production rate. It provides further directions for the research of g-C₃N₄-based composite catalysts.

引用次数: 0

GaN/HfGe2N4 heterojunction with promising project for photocatalyst and photodetector applications

IF 5.7 2区材料科学 Q2 CHEMISTRY, PHYSICAL

Surfaces and Interfaces

Pub Date : 2025-02-01 DOI: 10.1016/j.surfin.2025.105783

Xiangfeng Qi , Enling Li , Yang Shen , Ke Qin , Xiaoyu Zhao , Deming Ma , Zhen Cui

The photocatalysis property and photo-electro properties of the GaN/HfGe₂N₄ heterojunction are investigated, and the application prospects in the fields of photocatalysts and photodetectors are discussed. The designed GaN/HfGe₂N₄ heterojunction is verified to possess thermal stability, and the absorption spectrum of the GaN/HfGe₂N₄ heterojunction is significantly broadened. The GaN/HfGe₂N₄ heterojunction fulfilling the criteria for band edge positions at pH of 0 to 14, indicating which can act as a potential photocatalyst for water splitting. A high photo response (3.73

a_{0}^{2}

/photons) and an extinction ratio (6.81) of the photodetector based on the GaN/HfGe₂N₄ heterojunction have been calculated, demonstrating potential advantage in the area of photodetector applications. In conclusion, the GaN/HfGe₂N₄ heterojunction have the potential for catalytic hydrogen evolution and application in photodetectors.

{"title":"GaN/HfGe2N4 heterojunction with promising project for photocatalyst and photodetector applications","authors":"Xiangfeng Qi , Enling Li , Yang Shen , Ke Qin , Xiaoyu Zhao , Deming Ma , Zhen Cui","doi":"10.1016/j.surfin.2025.105783","DOIUrl":"10.1016/j.surfin.2025.105783","url":null,"abstract":"<div><div>The photocatalysis property and photo-electro properties of the GaN/HfGe<sub>2</sub>N<sub>4</sub> heterojunction are investigated, and the application prospects in the fields of photocatalysts and photodetectors are discussed. The designed GaN/HfGe<sub>2</sub>N<sub>4</sub> heterojunction is verified to possess thermal stability, and the absorption spectrum of the GaN/HfGe<sub>2</sub>N<sub>4</sub> heterojunction is significantly broadened. The GaN/HfGe<sub>2</sub>N<sub>4</sub> heterojunction fulfilling the criteria for band edge positions at pH of 0 to 14, indicating which can act as a potential photocatalyst for water splitting. A high photo response (3.73 <span><math><msubsup><mi>a</mi><mn>0</mn><mn>2</mn></msubsup></math></span>/photons) and an extinction ratio (6.81) of the photodetector based on the GaN/HfGe<sub>2</sub>N<sub>4</sub> heterojunction have been calculated, demonstrating potential advantage in the area of photodetector applications. In conclusion, the GaN/HfGe<sub>2</sub>N<sub>4</sub> heterojunction have the potential for catalytic hydrogen evolution and application in photodetectors.</div></div>","PeriodicalId":22081,"journal":{"name":"Surfaces and Interfaces","volume":"58 ","pages":"Article 105783"},"PeriodicalIF":5.7,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143101103","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

First-principles insights of na-decorated B7N5 monolayer for advanced hydrogen storage

IF 5.7 2区材料科学 Q2 CHEMISTRY, PHYSICAL

Surfaces and Interfaces

Pub Date : 2025-02-01 DOI: 10.1016/j.surfin.2025.105802

Zizhong Liu , Xihao Chen , Yuehong Liao , Longxin Zhang , José A.S. Laranjeira

Hydrogen is a versatile energy source, emerging as a promising alternative to traditional fossil fuels. Recently, two-dimensional (2D) materials have gained significant attention. Among these, new stable B₇N₅ monolayer have been discovered, demonstrating promising optical properties and enhanced absorption. In this context, our study explores the potential of Na decoration on B₇N₅ for hydrogen storage using density functional theory (DFT) simulations. The Na@B₇N₅ system can be saturated with up to 32 H₂ molecules, showcasing an impressive gravimetric capacity of 7.70 wt%. Ab initio molecular dynamics (AIMD) simulations at 200 K and 300 K indicate fast desorption dynamics and reversible hydrogen storage. At the same time, the system retains its structural integrity at 290 K and pressures above 10 bar, making it an ideal substrate for H₂ storage.

引用次数: 0

Oxygen vacancies in Ce-Gd-O promoter boost the electrochemical oxidation of methanol on Pt/C

IF 5.7 2区材料科学 Q2 CHEMISTRY, PHYSICAL

Surfaces and Interfaces

Pub Date : 2025-02-01 DOI: 10.1016/j.surfin.2025.105842

Shuchi Sharma , Ramasamy Shanmugam , Raju Kumar Mahto , Malaya K. Sahoo , H. Seshagiri Rao , Quang Khanh Nguyen , G. Ranga Rao

Oxygen vacancy-rich metal oxides are often added as promoters to Pt-based electrocatalysts to scavenge the adsorbed CO on Pt surface efficiently and increase the rate of methanol oxidation reaction (MOR). In the present work, oxygen vacancy-rich gadolinium doped ceria (Ce-Gd-O) is investigated as a promoter for MOR. This study shows that 0.1 mol Gd-doped CeO₂ promotes MOR activity of Pt/C by about 4.8 times. The first principles based DFT calculations on electron density and partial density of states reveal that Gd-doped CeO₂ exhibits superior catalytic activity. Further, the residual charge on Gd substituted at one Ce site in CeO₂ lattice aids in producing -OH ions and enhances MOR. The electrocatalytic activity of Pt-Ce_{1 − y}Gd_yO_{2 − δ}/C electrocatalyst is boosted due to the large number of oxyphilic species generated on the oxygen defect sites of Ce-Gd-O. The -OH groups can eliminate the adsorbed CO on Pt as CO₂ and help maintain the MOR activity.

{"title":"Oxygen vacancies in Ce-Gd-O promoter boost the electrochemical oxidation of methanol on Pt/C","authors":"Shuchi Sharma , Ramasamy Shanmugam , Raju Kumar Mahto , Malaya K. Sahoo , H. Seshagiri Rao , Quang Khanh Nguyen , G. Ranga Rao","doi":"10.1016/j.surfin.2025.105842","DOIUrl":"10.1016/j.surfin.2025.105842","url":null,"abstract":"<div><div>Oxygen vacancy-rich metal oxides are often added as promoters to Pt-based electrocatalysts to scavenge the adsorbed CO on Pt surface efficiently and increase the rate of methanol oxidation reaction (MOR). In the present work, oxygen vacancy-rich gadolinium doped ceria (Ce-Gd-O) is investigated as a promoter for MOR. This study shows that 0.1 mol Gd-doped CeO<sub>2</sub> promotes MOR activity of Pt/C by about 4.8 times. The first principles based DFT calculations on electron density and partial density of states reveal that Gd-doped CeO<sub>2</sub> exhibits superior catalytic activity. Further, the residual charge on Gd substituted at one Ce site in CeO<sub>2</sub> lattice aids in producing -OH ions and enhances MOR. The electrocatalytic activity of Pt-Ce<sub>1 − <em>y</em></sub>Gd<sub><em>y</em></sub>O<sub>2 − δ</sub>/C electrocatalyst is boosted due to the large number of oxyphilic species generated on the oxygen defect sites of Ce-Gd-O. The -OH groups can eliminate the adsorbed CO on Pt as CO<sub>2</sub> and help maintain the MOR activity.</div></div>","PeriodicalId":22081,"journal":{"name":"Surfaces and Interfaces","volume":"58 ","pages":"Article 105842"},"PeriodicalIF":5.7,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143101760","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

The electron transfer and free radical generated in the degradation of tetracycline on goethite

IF 5.7 2区材料科学 Q2 CHEMISTRY, PHYSICAL

Surfaces and Interfaces

Pub Date : 2025-02-01 DOI: 10.1016/j.surfin.2025.105815

Yujia Li, Erping Bi

Goethite can adsorb and degrade tetracycline (TC). In this study, the mechanisms of TC degradation and the influences of common inorganic ions were investigated through batch experiments, thermogravimetric analysis, microscale characterization and chemical probe method. The results indicated that TC degradation rate constant on goethite in the fast stage was one order of magnitude higher than that in the slow stage. More than 50% of TC degradation occurred in the fast stage. There was electron transfer between TC and goethite, in which ^•OH was generated and the amount was positively related to the specific surface area of goethite. The more surface hydroxyl groups on goethite, the stronger the redox reaction in the system. Cl^- and SO₄^2- promoted TC degradation on goethite, but HCO₃^-, Ca²⁺and Mg²⁺had an inhibitory effect. The effect of anions on TC degradation was related to the presence of ^•OH in the system. The complexation of Ca²⁺ with TC reduced the conversion of ≡Fe(III)/≡Fe(II) and the amount of surface hydroxyl groups involved in TC degradation. These findings can provide a basis for a deeper understanding of the interaction between antibiotics and minerals.

{"title":"The electron transfer and free radical generated in the degradation of tetracycline on goethite","authors":"Yujia Li, Erping Bi","doi":"10.1016/j.surfin.2025.105815","DOIUrl":"10.1016/j.surfin.2025.105815","url":null,"abstract":"<div><div>Goethite can adsorb and degrade tetracycline (TC). In this study, the mechanisms of TC degradation and the influences of common inorganic ions were investigated through batch experiments, thermogravimetric analysis, microscale characterization and chemical probe method. The results indicated that TC degradation rate constant on goethite in the fast stage was one order of magnitude higher than that in the slow stage. More than 50% of TC degradation occurred in the fast stage. There was electron transfer between TC and goethite, in which <strong><sup>•</sup></strong>OH was generated and the amount was positively related to the specific surface area of goethite. The more surface hydroxyl groups on goethite, the stronger the redox reaction in the system. Cl<sup>-</sup> and SO<sub>4</sub><sup>2-</sup> promoted TC degradation on goethite, but HCO<sub>3</sub><sup>-</sup>, Ca<sup>2+</sup>and Mg<sup>2+</sup>had an inhibitory effect. The effect of anions on TC degradation was related to the presence of <strong><sup>•</sup></strong>OH in the system. The complexation of Ca<sup>2+</sup> with TC reduced the conversion of ≡Fe(III)/≡Fe(II) and the amount of surface hydroxyl groups involved in TC degradation. These findings can provide a basis for a deeper understanding of the interaction between antibiotics and minerals.</div></div>","PeriodicalId":22081,"journal":{"name":"Surfaces and Interfaces","volume":"58 ","pages":"Article 105815"},"PeriodicalIF":5.7,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143101761","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Black anatase-TiO2 electrodes for sun-activated photocatalytic degradation of organic water contaminants

IF 5.7 2区材料科学 Q2 CHEMISTRY, PHYSICAL

Surfaces and Interfaces

Pub Date : 2025-02-01 DOI: 10.1016/j.surfin.2025.105849

Jaime A. Benavides-Guerrero , Paul Fourmont , Luis Felipe Gerlein , Astrid C. Angel-Ospina , Fiderman Machuca-Martinez , Fabrice Vaussenat , Caroline A. Ross , Sylvain G. Cloutier

This study presents the synthesis of black anatase in air and its use for the fabrication of a reusable electrode for the photocatalytic degradation of Rhodamine B (RhB) under visible-light. Characterization techniques such as X-ray diffraction, Raman spectroscopy, and Transmission Electron Microscopy (TEM) were used to analyze the properties of black anatase. The immobilization of black TiO₂ on a glass substrate eliminates the need for post-treatment recovery of the photocatalyst. Enhancement of photocatalytic activity was achieved by depositing a 4 nm platinum layer on the black anatase TiO₂ electrode. Activation of the photocatalytic process (λ ≥ 400 nm) was conducted with a solar simulator, and the degradation of RhB was monitored through visible absorption and time-resolved fluorescence spectroscopy, revealing degradation efficiencies of 94 % and 89 % after 40 and 60 min, respectively. These results are attributed to the elevated levels of oxygen vacancies and the Schottky barrier formed between the platinum layer and black anatase. The methodology's simplicity and the significant photocatalytic efficiency suggest potential for widespread application in solar-driven photocatalytic degradation.

{"title":"Black anatase-TiO2 electrodes for sun-activated photocatalytic degradation of organic water contaminants","authors":"Jaime A. Benavides-Guerrero , Paul Fourmont , Luis Felipe Gerlein , Astrid C. Angel-Ospina , Fiderman Machuca-Martinez , Fabrice Vaussenat , Caroline A. Ross , Sylvain G. Cloutier","doi":"10.1016/j.surfin.2025.105849","DOIUrl":"10.1016/j.surfin.2025.105849","url":null,"abstract":"<div><div>This study presents the synthesis of black anatase in air and its use for the fabrication of a reusable electrode for the photocatalytic degradation of Rhodamine B (RhB) under visible-light. Characterization techniques such as X-ray diffraction, Raman spectroscopy, and Transmission Electron Microscopy (TEM) were used to analyze the properties of black anatase. The immobilization of black TiO<sub>2</sub> on a glass substrate eliminates the need for post-treatment recovery of the photocatalyst. Enhancement of photocatalytic activity was achieved by depositing a 4 nm platinum layer on the black anatase TiO<sub>2</sub> electrode. Activation of the photocatalytic process (λ ≥ 400 nm) was conducted with a solar simulator, and the degradation of RhB was monitored through visible absorption and time-resolved fluorescence spectroscopy, revealing degradation efficiencies of 94 % and 89 % after 40 and 60 min, respectively. These results are attributed to the elevated levels of oxygen vacancies and the Schottky barrier formed between the platinum layer and black anatase. The methodology's simplicity and the significant photocatalytic efficiency suggest potential for widespread application in solar-driven photocatalytic degradation.</div></div>","PeriodicalId":22081,"journal":{"name":"Surfaces and Interfaces","volume":"58 ","pages":"Article 105849"},"PeriodicalIF":5.7,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143101763","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Cu-ZSM-5 as a regenerable adsorbent for removal of low-concentration methyl mercaptan

IF 5.7 2区材料科学 Q2 CHEMISTRY, PHYSICAL

Surfaces and Interfaces

Pub Date : 2025-02-01 DOI: 10.1016/j.surfin.2025.105886

Xu Luo , Zhou Lin , Wenying Li , Yang Yue , Jia Zhang , Guangren Qian

Regeneration of desulfurizer is a difficult topic because the bond is strong between the adsorptive site and the S-containing gas. This work synthesized a regenerable desulfurizer by dispersing Cu into ZSM-5, which removed 8.84 mg·g⁻¹ of methyl mercaptan by Cu²⁺ and CuO sites. Both N₂ and H₂ were feasible to regenerate the used adsorbent at 500 °C. N₂ was a better choice since the adsorptive capacity maintained at 6.23−6.40 mg·g⁻¹ even after five-cycle regenerations. On the contrary, the adsorptive capacity was decreased to 4.58 mg·g⁻¹ after three H₂-regeneration cycles. H₂ regeneration reduced the Cu²⁺ sites, which were oxidized to CuO after being exposed to air. Methyl mercaptan was inclined to be oxidized to SO₄²⁻ on CuO during the thermal regeneration. CuO sites were thus occupied by SO₄²⁻, which decreased the adsorptive capacity. Residual S content was increased to 3.74 wt.% after the forth H₂ regeneration. In comparison, the S content was only 1.26 wt.% after the sixth N₂ regeneration. Therefore, this work put forward a regenerable desulfurizer together with a regeneration method, which is in favor of sustainable adsorption of refractory sulfur-containing odorous gas.

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